MAP DATA STORAGE DEVICE, MAP DATA PROCESSING DEVICE, AND MAP DATA UPDATING SYSTEM
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United States of America Patent
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Issued Date -
Feb 18, 2016
app pub date -
Mar 21, 2014
filing date -
Apr 16, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A map data updating system includes a first map data storage storing a first version of update-directed data and a first version of update-undirected data in different partitions, a second map data storage storing an image file of a second version of the update-directed data and an image file of a second version of the update-undirected data, and an update processing device that reads the image file of the second version of the update-directed data from the second map data storage device and restores the read image file of the second version of the update-directed data and overwrites the partition storing the first version of the update-directed data.
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